This week, we have a good variety of React content, with great community articles and various releases. Many generative UI solutions are emerging, and Iβm curious to better understand how they differ from one another.
React Native 0.84 just dropped, and Gesture Handler 3 is in beta. Expo SDK 55 should also be out soon.
Most AI coding tools only see your source code. Seer, Sentry's AI debugging agent, uses everything Sentry knows about how your React application behaves in productionβcomponent trees, state updates, user interactions, and runtime errorsβto debug locally, in your PR, and in production.
How it works:
Seer scans & analyzes issues using all Sentry's available context.
In development, Seer debugs alongside you as you build
In review, Seer alerts you to bugs that are likely to break production
In production, Seer can find a bug's root cause, suggest a fix, open a PR automatically, or send the fix to your preferred IDE.
A great read from an experienced Vercel engineer, sharing various lessons to harden your React components. The goal is to make them survive real-world usage (SSR, hydration, multiple instances, concurrency, portals, etc.) rather than just working on the happy path.
π The logo soup problem (and how to solve it) - Brand logos come in various logo shapes, aspect ratios, padding, and weights. Creating a visually aesthetic logo grid is surprisingly complex, but we now have a React library to help normalize them.
π¦ Tambo 1.0 - Generative UI SDK for React - An interesting full-stack solution for generative UI with React, tackling problems such as UI state persistence, streaming, and more. Comes with a backend that you can deploy on their cloud or self-host.
An advanced performance course from Steve Kinney, focused on diagnosing real bottlenecks and fixing slow, janky React apps using modern React 19 patterns.
π Modern React: Suspense, transitions, deferred values, hydration, server actions
π Debug Faster: Find unnecessary re-renders with React DevTools & the Profiler
This new major version has been overhauled internally. It drops support for the Legacy Architecture, unlocking new capabilities, such as attaching gestures to text fragments. No APIs were removed, but a new hooks-based API makes it compatible with the React Compiler. They also improved the integration with Reanimated and Animated.
π React Native PR - Support React Portal with Fabric - React Native portals have been all the rage lately. Teleport just launched 1.0 last week, and we now have an experimental PR that kicks off the discussion of bringing first-class portal support to React Native, at the shadow-tree level (cross-platform).
π¦ React Native Storybook Tools - RN Storybook maintainer created a new VSCode extension that lets you seamlessly navigate from/to your stories, and a Rozenite devtool plugin.
π TypeScript 6.0 Iteration Plan - The last JS-based version (no 6.1 planned) is about to drop in beta (last minute edit: 6.0 beta is out). A bridge release that prepares us for the faster 7.0 Go rewrite. One notable change is to turn strict mode on by default.
π Webpack - Roadmap 2026 - The historical bundler plans to ship several new features, such as native CSS module, TS loader, multi-threading support, a universal runtime target, a unified minimizer API, and more. They also published v5.105 recently, with support for tsconfig.json alias resolution.
π Vitest 4.1 beta - Test tags - This upcoming feature lets you categorize tests under tags that you can configure independently. For example, you could tag a test as flaky to assign it a specific retry/timeout policy.
π The Wrong Work, Done Beautifully - The author of jsdom reflects on the usefulness of his popular library compared to headless browsers. However, Claude Code restored his enthusiasm for maintaining the project. By the way, v28.0 is out.
π Read Online Hi everyone! This week is rather quiet in the React world, so we took a step back on Vinext, found great community blog posts, and weak signals. On the React Native side, letβs welcome our new author, Jan Jaworski, who covered the new Expo SDK and the State of React Native survey results, among many other things. Let's dive in! πΈ Sponsor Still writing tests manually? Notion, Dropbox and LaunchDarkly have found a new testing paradigm - and they can't imagine working without it....
π Read Online Hello everyone, Krzysztof and Kacper from Software Mansion here π The React Foundation officially launched. Cloudflare rebuilt the whole Next.js in a week using AI. In the meantime, the real Next.js is adding version-matched docs so agents always have context on new and recently updated APIs. On the React Native side, Hermes is moving beyond mobile: Hermes-node brings the engine to Node.js as a potential V8 swap. CSS Grid is also coming to React Native, and TanStack Router has...
π Read Online Hi everyone! Huge thanks β€οΈ β we just hit #1 resource on the State of React 2025 survey. Wild. This week leans heavily into TanStack and Next.js content, plus a few notable releases worth your time. On mobile, Hermes is clearly ramping up, and ByteDance just lowered the barrier to building Lynx apps. Letβs dive in. As always, thanks for supporting us on your favorite platform: π¦ Bluesky βοΈ X / Twitter π LinkedIn π½ Reddit πΈ Sponsor Cut Code Review Time & Bugs in Half Code reviews...
